Dog clutch



FIG. 1 is a top perspective view of a dog clutch of the present invention;

FIG. 2 is top view thereof;

FIG. 3 is a bottom view thereof; and,

FIG. 4 is a first side view thereof, wherein the second, third, and fourth side views are mirror images thereof. 

CLAIM We claim the ornamental design for a dog clutch, as shown and described. 